Alert archive / Nebraska / Mesoscale Discussions in 2007
Mesoscale Discussion 336
The Storm Prediction Center issued this mesoscale discussion at Mar 24, 2007, 2:14 AM CDT for Fremont County, Mills County, Pottawattamie County, Iowa; 4 counties in Kansas; 41 counties in Nebraska. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2007, 2:14 AM CDT (07:14 UTC)
- Expired
- Mar 24, 2007, 3:45 AM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 48 counties
Fremont County, IA, Mills County, IA, Pottawattamie County, IA, Jewell County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Colfax County, NE, Custer County, NE, Dawson County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Washington County, NE, Webster County, NE, York County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 7.2 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 112 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:29 PM CDT | Mesoscale Discussion | SPC | Cheyenne | 2 hr |
| Mar 23, 8:09 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Ellsworth, Harvey, Kingman, Lincoln, McPherson and 4 more | 4 hr |
| Mar 23, 8:19 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Finney and 14 more | 116 min |
| Mar 23, 11:04 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Ellis, Gove, Graham, Logan and 10 more | 2 hr |
| Mar 24, 5:42 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Graham, Norton, Phillips, Rawlins and 5 more | 93 min |
| Mar 24, 6:15 PM CDT | Tornado Watch | SPC | Cheyenne, Decatur, Norton, Rawlins | 6 hr |
Nearby
Mesoscale Discussions in Nebraska, 2007Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Iowa, 2007Every mesoscale discussion in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.